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Updating the Rya Manual to include Rya Streams.
## Description
Wrote the manual page for Rya Streams.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/kchilton2/incubator-rya manual-improvements
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/incubator-rya/pull/273.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #273
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commit 4ca5b50092ca3404d1382e21637d3a1832ad7423
Author: kchilton2 <kevin.e.chilton@...>
Date: 2018-02-09T17:33:36Z
Updating the Rya Manual to include Rya Streams.
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